Geometry
Shapes, proofs, similarity, circles, and solids.
Shape & Measure
Lengths, angles, areas, and the proportional thinking that ties them together.
- 01The Pythagorean TheoremIn a right triangle, the legs squared add to the hypotenuse squared.+25
- 02Area & PerimeterRectangles, triangles, and circles from their basic measurements.+20
- 03Angle RelationshipsTriangles sum to 180°, and pairs of angles come in fixed families.+20
- 04Similar TrianglesSame shape, different size — sides scale by one factor.+25